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Disclosure of Liability Classified Plans (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | $ 60,755 | $ 19,817
Expensed during the period | $ 133,647 | 56,513
Settlement in shares | (14,083) |
Reclassification from equity-settled plans | $ (406) | (3,164)
Payments | (28,522) | (12,411)
Foreign exchange | (46) |
Ending balance | 151,345 | 60,755
Current | 91,212 |
Long-term | 60,133 | 26,728
Restricted Share Units (RSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 18,050 | 6,624
Expensed during the period | 34,555 | 17,168
Payments | (14,372) | (5,742)
Foreign exchange | (43) |
Ending balance | 38,190 | 18,050
Current | 26,330 |
Long-term | 11,860 |
Performance Share Units (PSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 21,524 | 4,751
Expensed during the period | $ 87,297 | 18,634
Settlement in shares | 263,900 |
Payments | $ (7,960) | (1,861)
Foreign exchange | (3) |
Ending balance | 100,858 | 21,524
Current | 64,882 |
Long-term | 35,976 |
Executive Performance Share Units [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 16,507 | 6,833
Expensed during the period | $ 4,172 | 17,646
Settlement in shares | (14,083) |
Reclassification from equity-settled plans | $ (406) | (3,164)
Payments | (6,190) | (4,808)
Ending balance | 0 | 16,507
Current | 0 |
Deferred Share Units (DSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 4,674 | 1,609
Expensed during the period | 7,623 | 3,065
Payments |  | 0
Ending balance | 12,297 | $ 4,674
Long-term | $ 12,297 |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 51 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_51_b_i&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Non-current liabilities from share based payment transactions. + References No definition available. + Details
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